Public lands in Montana

44 units whose boundary reaches Montana, 29 million acres counted whole even where a boundary crosses into another state. 19 national wildlife refuges, 15 wilderness areas, 8 national forests and grasslands, 2 BLM national monuments and conservation areas. Largest first within each type.

National wildlife refuges

All national wildlife refuges →

Refuge · USFWS

Charles M. Russell National Wildlife Refuge

937,047 acres11 campgrounds near

Refuge · USFWS

Red Rock Lakes National Wildlife Refuge

85,504 acres9 campgrounds near

Refuge · USFWS

Ul Bend National Wildlife Refuge

55,779 acresNational Wildlife Refuge

Refuge · USFWS

Medicine Lake National Wildlife Refuge

31,484 acresNational Wildlife Refuge

Refuge · USFWS

Lake Mason National Wildlife Refuge

16,780 acresNational Wildlife Refuge

Refuge · USFWS

Bowdoin National Wildlife Refuge

15,529 acresNational Wildlife Refuge

Refuge · USFWS

Benton Lake National Wildlife Refuge

12,387 acresNational Wildlife Refuge

Refuge · USFWS

Lost Trail National Wildlife Refuge

8,907 acres2 campgrounds near

Refuge · USFWS

Grass Lake National Wildlife Refuge

4,050 acresNational Wildlife Refuge

Refuge · USFWS

War Horse National Wildlife Refuge

2,853 acresNational Wildlife Refuge

Refuge · USFWS

Lee Metcalf National Wildlife Refuge

2,827 acres1 campground near

Refuge · USFWS

Pablo National Wildlife Refuge

2,482 acresNational Wildlife Refuge

Show 7 more

Refuge · USFWS

Ninepipe National Wildlife Refuge

2,092 acresNational Wildlife Refuge

Refuge · USFWS

Swan River National Wildlife Refuge

1,937 acres3 campgrounds near

Refuge · USFWS

Black Coulee National Wildlife Refuge

1,314 acresNational Wildlife Refuge

Refuge · USFWS

Hewitt Lake National Wildlife Refuge

720 acresNational Wildlife Refuge

Refuge · USFWS

Hailstone National Wildlife Refuge

156 acresNational Wildlife Refuge

Refuge · USFWS

Creedman Coulee National Wildlife Refuge

84 acresNational Wildlife Refuge

Refuge · USFWS

Lake Thibadeau National Wildlife Refuge

23 acresNational Wildlife Refuge

Wilderness areas

All wilderness areas →

Wilderness · USFS

Selway-Bitterroot Wilderness

1.3 million acres36 campgrounds near

Wilderness · USFS

Bob Marshall Wilderness

1.1 million acres28 campgrounds near

Wilderness · USFS

Absaroka-Beartooth Wilderness

937,102 acres36 campgrounds near

Wilderness · USFS

Great Bear Wilderness

286,659 acres23 campgrounds near

Wilderness · USFS

Scapegoat Wilderness

259,756 acres13 campgrounds near

Wilderness · BLM, USFS

Lee Metcalf Wilderness

242,068 acres31 campgrounds near

Wilderness · USFS

Anaconda Pintler Wilderness

158,712 acres18 campgrounds near

Wilderness · USFS

Cabinet Mountains Wilderness

93,272 acres6 campgrounds near

Wilderness · USFS

Mission Mountains Wilderness

74,524 acres7 campgrounds near

Wilderness · USFS

Rattlesnake Wilderness

34,304 acres1 campground near

Wilderness · USFWS

Red Rock Lakes Wilderness

32,350 acres5 campgrounds near

Wilderness · USFS

Gates of the Mountains Wilderness

28,460 acres10 campgrounds near

Show 3 more

Wilderness · USFS

Welcome Creek Wilderness

28,248 acres6 campgrounds near

Wilderness · USFWS

UL Bend Wilderness

20,819 acresWilderness

Wilderness · USFWS

Medicine Lake Wilderness

11,366 acresWilderness

National forests and grasslands

All national forests and grasslands →

Beaverhead-Deerlodge National Forest

3.6 million acres134 campgrounds near

Custer Gallatin National Forest

3.4 million acres107 campgrounds near

Helena-Lewis and Clark National Forest

3.2 million acres78 campgrounds near

Idaho Panhandle National Forests

2.9 million acres90 campgrounds near

Flathead National Forest

2.7 million acres65 campgrounds near

Lolo National Forest

2.6 million acres64 campgrounds near

Kootenai National Forest

2.6 million acres56 campgrounds near

Bitterroot National Forest

1.7 million acres54 campgrounds near

BLM national monuments and conservation areas

All BLM national monuments and conservation areas →

Upper Missouri River Breaks National Monument

507,066 acres1 campground near

Pompeys Pillar National Monument

58 acresNational Monument

Boundaries come from the agencies’ own layers. A unit is listed in every state its boundary reaches. Data refreshed September 18, 2026.